Postbuckling of Imperfect Stiffened Cylindrical Shells under Combined External Pressure and Heating

Shen Huishen

Volume 19 Issue 5

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Article Navigation > Applied Mathematics and Mechanics > 1998 > 19(5): 385-398

Lü Xian-qing. Stability of the Korteweg-de Vries Solitary Wave Solution[J]. Applied Mathematics and Mechanics, 1994, 15(9): 839-840.

Citation:

Shen Huishen. Postbuckling of Imperfect Stiffened Cylindrical Shells under Combined External Pressure and Heating[J]. Applied Mathematics and Mechanics, 1998, 19(5): 385-398.

Lü Xian-qing. Stability of the Korteweg-de Vries Solitary Wave Solution[J]. Applied Mathematics and Mechanics, 1994, 15(9): 839-840.

Citation:

Shen Huishen. Postbuckling of Imperfect Stiffened Cylindrical Shells under Combined External Pressure and Heating[J]. Applied Mathematics and Mechanics, 1998, 19(5): 385-398.

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Postbuckling of Imperfect Stiffened Cylindrical Shells under Combined External Pressure and Heating

Shen Huishen

Shanghai Jiao Tong University, Shanghai 200030, P. R. China

Received Date: 1996-09-16
Rev Recd Date: 1997-09-16
Publish Date: 1998-05-15

Abstract

Abstract

A postbuckling analysis is presented for a stiffened cylindrical shell of finite length subjected to combined loading of external pressure and a uniform temperature rise.The formulations are based on a boundary layer theory of shell buckling,which includes the effects of nonlinear prebuckling deformations,nonlinear large deflections in the postbuckling range and initial geometrical imperfections of the shell.The "smeared stiffener" approach is adopted for the stiffeners.The analysis uses a singular perturbation technique to determine the interactive buckling loads and the postbuckling equilibrium paths.Numerical examples cover the performances of perfect and imperfect,stringer and ring stiffened cylindrical shells.Typical results are presented in dimensionless graphical form.
- postbuckling,
- thermal postbuckling,
- stiffened cylindrical shell,
- combined loading,
- a boundary layer theory of shell buckling,
- singular perturbation technique

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References(6)

References

[1]	L.K.Chang and M.F.Card,Thermal buckling in stiffened cylindrical shells,Proc.AIAA/ASME 11th Structures,Structural Dynamics and Materials Conference,New York(1970),260-272.
[2]	D.Bushnell,Analysis of ring-stiffened shells of revolution under combined thermal and mechanical loading,AIAA J.9(3)(1971),401-410.
[3]	D.Bushnell and S.Smith,Stress and buckling of nonuniformly heated cylindrical and conical shells, AIAA J.,9(12)(1971),2314-2321.
[4]	沈惠申、陈铁云,圆柱壳在外压作用下屈曲的边界层理论,应用数学和力学,9(6)(1988),515-528.
[5]	H.S.Shen and T.Y.Chen,Aboundary layer theory for the buckling of thin cylindrical shells under axial compression,In Advances of Applied Mathematics and Mechanics in China,ed.by W.Z. Chien and Z.Z.Fu,Int.Academic Publishers,Beijing,China 2(1990),155-172.
[6]	H.S.Shen and T.Y.Chen,Buckling and postbuckling behaviour of cylindrical shells under combined external pressure and axial compression,Thin-Walled Structures,12(4)(1991),321-334.

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